Invention Grant
- Patent Title: Sound collection apparatus and method
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Application No.: US15158569Application Date: 2016-05-18
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Publication No.: US09866957B2Publication Date: 2018-01-09
- Inventor: Kazuhiro Katagiri
- Applicant: Oki Electric Industry Co., Ltd.
- Applicant Address: JP Tokyo
- Assignee: Oki Electric Industry Co., Ltd.
- Current Assignee: Oki Electric Industry Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Rabin & Berdo, P.C.
- Priority: JP2015-136455 20150707
- Main IPC: H04B3/20
- IPC: H04B3/20 ; H04R3/00 ; H04R3/04 ; H04R1/32 ; G10L21/0208 ; G10L21/0216

Abstract:
There is provided a sound collection apparatus, including a directionality formation unit configured to form a directionality in a direction of a target area for input signals from a plurality of microphone arrays, a target area sound extraction unit configured to correct a delay between a target area and each of the microphone arrays, and a power of a target area sound component for an output from the directionality formation unit, suppress a non-target area sound by using each output after correction, and extract a target area sound, an area sound enhancement filter formation unit, and an area sound emphasis unit.
Public/Granted literature
- US20170013357A1 SOUND COLLECTION APPARATUS AND METHOD Public/Granted day:2017-01-12
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